Finding the Fourth Proportional to 101,787.22, 140,466.72 and 56,466.10

Step by Step Solution

1. Step 1: Write the proportion equation
   101,787.22 : 140,466.72 = 56,466.10 : x
2. Step 2: Convert to fraction form
   101,787.22/140,466.72 = 56,466.10/x
3. Step 3: Cross multiply
   101,787.22x = 140,466.72 × 56,466.10
4. Step 4: Simplify right side
   101,787.22x = 7,931,607,858.19
5. Step 5: Solve for x
   x = 7,931,607,858.19/101,787.22
6. Step 6: Final answer
   x = 77,923.42