Finding the Fourth Proportional to 10,878,384.78, 15,012,454.14 and 5,983,732.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,878,384.78 : 15,012,454.14 = 5,983,732.98 : x
2. Step 2: Convert to fraction form
   10,878,384.78/15,012,454.14 = 5,983,732.98/x
3. Step 3: Cross multiply
   10,878,384.78x = 15,012,454.14 × 5,983,732.98
4. Step 4: Simplify right side
   10,878,384.78x = 89,830,516,948,255.55
5. Step 5: Solve for x
   x = 89,830,516,948,255.55/10,878,384.78
6. Step 6: Final answer
   x = 8,257,707.26