Finding the Fourth Proportional to 10,553,985,196.71, 15,833,657,408.61 and 4,885,660,236.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,553,985,196.71 : 15,833,657,408.61 = 4,885,660,236.61 : x
2. Step 2: Convert to fraction form
   10,553,985,196.71/15,833,657,408.61 = 4,885,660,236.61/x
3. Step 3: Cross multiply
   10,553,985,196.71x = 15,833,657,408.61 × 4,885,660,236.61
4. Step 4: Simplify right side
   10,553,985,196.71x = 77,357,870,401,360,445,440
5. Step 5: Solve for x
   x = 77,357,870,401,360,445,440/10,553,985,196.71
6. Step 6: Final answer
   x = 7,329,730,804.01