Finding the Fourth Proportional to 118,413, 177,706.98 and 56,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,413 : 177,706.98 = 56,083.50 : x
2. Step 2: Convert to fraction form
   118,413/177,706.98 = 56,083.50/x
3. Step 3: Cross multiply
   118,413x = 177,706.98 × 56,083.50
4. Step 4: Simplify right side
   118,413x = 9,966,429,412.83
5. Step 5: Solve for x
   x = 9,966,429,412.83/118,413
6. Step 6: Final answer
   x = 84,166.68