Finding the Fourth Proportional to 31,359,930.42, 43,272,682.98 and 18,304,194.90

Step by Step Solution

1. Step 1: Write the proportion equation
   31,359,930.42 : 43,272,682.98 = 18,304,194.90 : x
2. Step 2: Convert to fraction form
   31,359,930.42/43,272,682.98 = 18,304,194.90/x
3. Step 3: Cross multiply
   31,359,930.42x = 43,272,682.98 × 18,304,194.90
4. Step 4: Simplify right side
   31,359,930.42x = 792,071,623,111,832.62
5. Step 5: Solve for x
   x = 792,071,623,111,832.62/31,359,930.42
6. Step 6: Final answer
   x = 25,257,441.98