Finding the Fourth Proportional to 77,850, 107,435.56 and 42,522

Step by Step Solution

1. Step 1: Write the proportion equation
   77,850 : 107,435.56 = 42,522 : x
2. Step 2: Convert to fraction form
   77,850/107,435.56 = 42,522/x
3. Step 3: Cross multiply
   77,850x = 107,435.56 × 42,522
4. Step 4: Simplify right side
   77,850x = 4,568,374,882.32
5. Step 5: Solve for x
   x = 4,568,374,882.32/77,850
6. Step 6: Final answer
   x = 58,681.76