Finding the Fourth Proportional to 175,142, 241,696.24 and 99,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   175,142 : 241,696.24 = 99,690.50 : x
2. Step 2: Convert to fraction form
   175,142/241,696.24 = 99,690.50/x
3. Step 3: Cross multiply
   175,142x = 241,696.24 × 99,690.50
4. Step 4: Simplify right side
   175,142x = 24,094,819,013.72
5. Step 5: Solve for x
   x = 24,094,819,013.72/175,142
6. Step 6: Final answer
   x = 137,573.05