Finding the Fourth Proportional to 101,641.31, 152,434.42 and 42,464.60

Step by Step Solution

1. Step 1: Write the proportion equation
   101,641.31 : 152,434.42 = 42,464.60 : x
2. Step 2: Convert to fraction form
   101,641.31/152,434.42 = 42,464.60/x
3. Step 3: Cross multiply
   101,641.31x = 152,434.42 × 42,464.60
4. Step 4: Simplify right side
   101,641.31x = 6,473,066,671.53
5. Step 5: Solve for x
   x = 6,473,066,671.53/101,641.31
6. Step 6: Final answer
   x = 63,685.39