Finding the Fourth Proportional to 10,862,616.29, 14,985,230.72 and 7,916,116.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,862,616.29 : 14,985,230.72 = 7,916,116.28 : x
2. Step 2: Convert to fraction form
   10,862,616.29/14,985,230.72 = 7,916,116.28/x
3. Step 3: Cross multiply
   10,862,616.29x = 14,985,230.72 × 7,916,116.28
4. Step 4: Simplify right side
   10,862,616.29x = 118,624,828,747,641.39
5. Step 5: Solve for x
   x = 118,624,828,747,641.39/10,862,616.29
6. Step 6: Final answer
   x = 10,920,465.72