Finding the Fourth Proportional to 12,807,787.53, 17,674,886.29 and 7,006,444.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,787.53 : 17,674,886.29 = 7,006,444.71 : x
2. Step 2: Convert to fraction form
   12,807,787.53/17,674,886.29 = 7,006,444.71/x
3. Step 3: Cross multiply
   12,807,787.53x = 17,674,886.29 × 7,006,444.71
4. Step 4: Simplify right side
   12,807,787.53x = 123,838,113,511,389.80
5. Step 5: Solve for x
   x = 123,838,113,511,389.80/12,807,787.53
6. Step 6: Final answer
   x = 9,668,970.01