Finding the Fourth Proportional to 42,123,930.88, 63,188,345.80 and 11,834,155.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123,930.88 : 63,188,345.80 = 11,834,155.84 : x
2. Step 2: Convert to fraction form
   42,123,930.88/63,188,345.80 = 11,834,155.84/x
3. Step 3: Cross multiply
   42,123,930.88x = 63,188,345.80 × 11,834,155.84
4. Step 4: Simplify right side
   42,123,930.88x = 747,780,731,469,009.38
5. Step 5: Solve for x
   x = 747,780,731,469,009.38/42,123,930.88
6. Step 6: Final answer
   x = 17,751,921.91