Finding the Fourth Proportional to 101,818.01, 152,477.64 and 71,758.31

Step by Step Solution

1. Step 1: Write the proportion equation
   101,818.01 : 152,477.64 = 71,758.31 : x
2. Step 2: Convert to fraction form
   101,818.01/152,477.64 = 71,758.31/x
3. Step 3: Cross multiply
   101,818.01x = 152,477.64 × 71,758.31
4. Step 4: Simplify right side
   101,818.01x = 10,941,536,996.80
5. Step 5: Solve for x
   x = 10,941,536,996.80/101,818.01
6. Step 6: Final answer
   x = 107,461.70