Finding the Fourth Proportional to 117,150.63, 175,689.60 and 42,261.00

Step by Step Solution

1. Step 1: Write the proportion equation
   117,150.63 : 175,689.60 = 42,261.00 : x
2. Step 2: Convert to fraction form
   117,150.63/175,689.60 = 42,261.00/x
3. Step 3: Cross multiply
   117,150.63x = 175,689.60 × 42,261.00
4. Step 4: Simplify right side
   117,150.63x = 7,424,819,088.38
5. Step 5: Solve for x
   x = 7,424,819,088.38/117,150.63
6. Step 6: Final answer
   x = 63,378.39