Finding the Fourth Proportional to 77,853.33, 107,437.59 and 42,043.33

Step by Step Solution

1. Step 1: Write the proportion equation
   77,853.33 : 107,437.59 = 42,043.33 : x
2. Step 2: Convert to fraction form
   77,853.33/107,437.59 = 42,043.33/x
3. Step 3: Cross multiply
   77,853.33x = 107,437.59 × 42,043.33
4. Step 4: Simplify right side
   77,853.33x = 4,517,034,307.69
5. Step 5: Solve for x
   x = 4,517,034,307.69/77,853.33
6. Step 6: Final answer
   x = 58,019.80