Finding the Fourth Proportional to 77,924.06, 107,535.69 and 42,113.98

Step by Step Solution

1. Step 1: Write the proportion equation
   77,924.06 : 107,535.69 = 42,113.98 : x
2. Step 2: Convert to fraction form
   77,924.06/107,535.69 = 42,113.98/x
3. Step 3: Cross multiply
   77,924.06x = 107,535.69 × 42,113.98
4. Step 4: Simplify right side
   77,924.06x = 4,528,755,897.95
5. Step 5: Solve for x
   x = 4,528,755,897.95/77,924.06
6. Step 6: Final answer
   x = 58,117.56