Finding the Fourth Proportional to 10,368,061.30, 15,552,091.95 and 7,813,386.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,368,061.30 : 15,552,091.95 = 7,813,386.10 : x
2. Step 2: Convert to fraction form
   10,368,061.30/15,552,091.95 = 7,813,386.10/x
3. Step 3: Cross multiply
   10,368,061.30x = 15,552,091.95 × 7,813,386.10
4. Step 4: Simplify right side
   10,368,061.30x = 121,514,499,068,051.89
5. Step 5: Solve for x
   x = 121,514,499,068,051.89/10,368,061.30
6. Step 6: Final answer
   x = 11,720,079.15