Finding the Fourth Proportional to 101,637.07, 140,259.42 and 56,314.69

Step by Step Solution

1. Step 1: Write the proportion equation
   101,637.07 : 140,259.42 = 56,314.69 : x
2. Step 2: Convert to fraction form
   101,637.07/140,259.42 = 56,314.69/x
3. Step 3: Cross multiply
   101,637.07x = 140,259.42 × 56,314.69
4. Step 4: Simplify right side
   101,637.07x = 7,898,665,756.88
5. Step 5: Solve for x
   x = 7,898,665,756.88/101,637.07
6. Step 6: Final answer
   x = 77,714.42