Finding the Fourth Proportional to 101,858.31, 152,700.59 and 38,643.08

Step by Step Solution

1. Step 1: Write the proportion equation
   101,858.31 : 152,700.59 = 38,643.08 : x
2. Step 2: Convert to fraction form
   101,858.31/152,700.59 = 38,643.08/x
3. Step 3: Cross multiply
   101,858.31x = 152,700.59 × 38,643.08
4. Step 4: Simplify right side
   101,858.31x = 5,900,820,448.52
5. Step 5: Solve for x
   x = 5,900,820,448.52/101,858.31
6. Step 6: Final answer
   x = 57,931.65