Finding the Fourth Proportional to 101,752.67, 140,418.69 and 56,437.59

Step by Step Solution

1. Step 1: Write the proportion equation
   101,752.67 : 140,418.69 = 56,437.59 : x
2. Step 2: Convert to fraction form
   101,752.67/140,418.69 = 56,437.59/x
3. Step 3: Cross multiply
   101,752.67x = 140,418.69 × 56,437.59
4. Step 4: Simplify right side
   101,752.67x = 7,924,892,454.56
5. Step 5: Solve for x
   x = 7,924,892,454.56/101,752.67
6. Step 6: Final answer
   x = 77,883.88