Finding the Fourth Proportional to 10,878,386.78, 15,012,456.90 and 5,983,734.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,878,386.78 : 15,012,456.90 = 5,983,734.98 : x
2. Step 2: Convert to fraction form
   10,878,386.78/15,012,456.90 = 5,983,734.98/x
3. Step 3: Cross multiply
   10,878,386.78x = 15,012,456.90 × 5,983,734.98
4. Step 4: Simplify right side
   10,878,386.78x = 89,830,563,488,272.38
5. Step 5: Solve for x
   x = 89,830,563,488,272.38/10,878,386.78
6. Step 6: Final answer
   x = 8,257,710.02