Finding the Fourth Proportional to 101,475.34, 140,031 and 56,152.48

Step by Step Solution

1. Step 1: Write the proportion equation
   101,475.34 : 140,031 = 56,152.48 : x
2. Step 2: Convert to fraction form
   101,475.34/140,031 = 56,152.48/x
3. Step 3: Cross multiply
   101,475.34x = 140,031 × 56,152.48
4. Step 4: Simplify right side
   101,475.34x = 7,863,087,926.88
5. Step 5: Solve for x
   x = 7,863,087,926.88/101,475.34
6. Step 6: Final answer
   x = 77,487.67