Finding the Fourth Proportional to 102,434.58, 153,723.69 and 42,463.98

Step by Step Solution

1. Step 1: Write the proportion equation
   102,434.58 : 153,723.69 = 42,463.98 : x
2. Step 2: Convert to fraction form
   102,434.58/153,723.69 = 42,463.98/x
3. Step 3: Cross multiply
   102,434.58x = 153,723.69 × 42,463.98
4. Step 4: Simplify right side
   102,434.58x = 6,527,719,697.69
5. Step 5: Solve for x
   x = 6,527,719,697.69/102,434.58
6. Step 6: Final answer
   x = 63,725.74