Finding the Fourth Proportional to 73,404.32, 101,298 and 39,870.88

Step by Step Solution

1. Step 1: Write the proportion equation
   73,404.32 : 101,298 = 39,870.88 : x
2. Step 2: Convert to fraction form
   73,404.32/101,298 = 39,870.88/x
3. Step 3: Cross multiply
   73,404.32x = 101,298 × 39,870.88
4. Step 4: Simplify right side
   73,404.32x = 4,038,840,402.24
5. Step 5: Solve for x
   x = 4,038,840,402.24/73,404.32
6. Step 6: Final answer
   x = 55,021.84