Finding the Fourth Proportional to 77,407.33, 116,143.87 and 42,305.98

Step by Step Solution

1. Step 1: Write the proportion equation
   77,407.33 : 116,143.87 = 42,305.98 : x
2. Step 2: Convert to fraction form
   77,407.33/116,143.87 = 42,305.98/x
3. Step 3: Cross multiply
   77,407.33x = 116,143.87 × 42,305.98
4. Step 4: Simplify right side
   77,407.33x = 4,913,580,241.34
5. Step 5: Solve for x
   x = 4,913,580,241.34/77,407.33
6. Step 6: Final answer
   x = 63,476.94