Finding the Fourth Proportional to 52,589,677.89, 78,888,483.16 and 15,698,655.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,589,677.89 : 78,888,483.16 = 15,698,655.17 : x
2. Step 2: Convert to fraction form
   52,589,677.89/78,888,483.16 = 15,698,655.17/x
3. Step 3: Cross multiply
   52,589,677.89x = 78,888,483.16 × 15,698,655.17
4. Step 4: Simplify right side
   52,589,677.89x = 1,238,443,093,875,334.50
5. Step 5: Solve for x
   x = 1,238,443,093,875,334.50/52,589,677.89
6. Step 6: Final answer
   x = 23,549,166.75