Finding the Fourth Proportional to 156,793, 235,228.56 and 45,985

Step by Step Solution

1. Step 1: Write the proportion equation
   156,793 : 235,228.56 = 45,985 : x
2. Step 2: Convert to fraction form
   156,793/235,228.56 = 45,985/x
3. Step 3: Cross multiply
   156,793x = 235,228.56 × 45,985
4. Step 4: Simplify right side
   156,793x = 10,816,985,331.60
5. Step 5: Solve for x
   x = 10,816,985,331.60/156,793
6. Step 6: Final answer
   x = 68,988.96