Finding the Fourth Proportional to 56,113, 77,437.62 and 30,964.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,113 : 77,437.62 = 30,964.12 : x
2. Step 2: Convert to fraction form
   56,113/77,437.62 = 30,964.12/x
3. Step 3: Cross multiply
   56,113x = 77,437.62 × 30,964.12
4. Step 4: Simplify right side
   56,113x = 2,397,787,758.19
5. Step 5: Solve for x
   x = 2,397,787,758.19/56,113
6. Step 6: Final answer
   x = 42,731.41