Finding the Fourth Proportional to 12,890,158.94, 17,788,064.27 and 7,088,940.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,890,158.94 : 17,788,064.27 = 7,088,940.06 : x
2. Step 2: Convert to fraction form
   12,890,158.94/17,788,064.27 = 7,088,940.06/x
3. Step 3: Cross multiply
   12,890,158.94x = 17,788,064.27 × 7,088,940.06
4. Step 4: Simplify right side
   12,890,158.94x = 126,098,521,358,012.95
5. Step 5: Solve for x
   x = 126,098,521,358,012.95/12,890,158.94
6. Step 6: Final answer
   x = 9,782,542.01