Finding the Fourth Proportional to 77,962.07, 107,587.56 and 42,151.98

Step by Step Solution

1. Step 1: Write the proportion equation
   77,962.07 : 107,587.56 = 42,151.98 : x
2. Step 2: Convert to fraction form
   77,962.07/107,587.56 = 42,151.98/x
3. Step 3: Cross multiply
   77,962.07x = 107,587.56 × 42,151.98
4. Step 4: Simplify right side
   77,962.07x = 4,535,028,677.37
5. Step 5: Solve for x
   x = 4,535,028,677.37/77,962.07
6. Step 6: Final answer
   x = 58,169.68