Finding the Fourth Proportional to 10,931,442.06, 16,384,117.62 and 5,087,764.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931,442.06 : 16,384,117.62 = 5,087,764.28 : x
2. Step 2: Convert to fraction form
   10,931,442.06/16,384,117.62 = 5,087,764.28/x
3. Step 3: Cross multiply
   10,931,442.06x = 16,384,117.62 × 5,087,764.28
4. Step 4: Simplify right side
   10,931,442.06x = 83,358,528,386,354.61
5. Step 5: Solve for x
   x = 83,358,528,386,354.61/10,931,442.06
6. Step 6: Final answer
   x = 7,625,574.73