Finding the Fourth Proportional to 42,194,641.52, 63,301,507.32 and 13,442,414.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,194,641.52 : 63,301,507.32 = 13,442,414.96 : x
2. Step 2: Convert to fraction form
   42,194,641.52/63,301,507.32 = 13,442,414.96/x
3. Step 3: Cross multiply
   42,194,641.52x = 63,301,507.32 × 13,442,414.96
4. Step 4: Simplify right side
   42,194,641.52x = 850,925,128,672,410
5. Step 5: Solve for x
   x = 850,925,128,672,410/42,194,641.52
6. Step 6: Final answer
   x = 20,166,663.30