Finding the Fourth Proportional to 77,862, 107,449.56 and 42,534

Step by Step Solution

1. Step 1: Write the proportion equation
   77,862 : 107,449.56 = 42,534 : x
2. Step 2: Convert to fraction form
   77,862/107,449.56 = 42,534/x
3. Step 3: Cross multiply
   77,862x = 107,449.56 × 42,534
4. Step 4: Simplify right side
   77,862x = 4,570,259,585.04
5. Step 5: Solve for x
   x = 4,570,259,585.04/77,862
6. Step 6: Final answer
   x = 58,696.92