Finding the Fourth Proportional to 162,041.76, 243,147.99 and 83,155.98

Step by Step Solution

1. Step 1: Write the proportion equation
   162,041.76 : 243,147.99 = 83,155.98 : x
2. Step 2: Convert to fraction form
   162,041.76/243,147.99 = 83,155.98/x
3. Step 3: Cross multiply
   162,041.76x = 243,147.99 × 83,155.98
4. Step 4: Simplify right side
   162,041.76x = 20,219,209,393.48
5. Step 5: Solve for x
   x = 20,219,209,393.48/162,041.76
6. Step 6: Final answer
   x = 124,777.77