Finding the Fourth Proportional to 12,381,932.09, 17,088,642.50 and 7,487,188.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,381,932.09 : 17,088,642.50 = 7,487,188.90 : x
2. Step 2: Convert to fraction form
   12,381,932.09/17,088,642.50 = 7,487,188.90/x
3. Step 3: Cross multiply
   12,381,932.09x = 17,088,642.50 × 7,487,188.90
4. Step 4: Simplify right side
   12,381,932.09x = 127,945,894,361,910.70
5. Step 5: Solve for x
   x = 127,945,894,361,910.70/12,381,932.09
6. Step 6: Final answer
   x = 10,333,273.79