Finding the Fourth Proportional to 152,520.01, 210,490.23 and 84,558.31

Step by Step Solution

1. Step 1: Write the proportion equation
   152,520.01 : 210,490.23 = 84,558.31 : x
2. Step 2: Convert to fraction form
   152,520.01/210,490.23 = 84,558.31/x
3. Step 3: Cross multiply
   152,520.01x = 210,490.23 × 84,558.31
4. Step 4: Simplify right side
   152,520.01x = 17,798,698,619.55
5. Step 5: Solve for x
   x = 17,798,698,619.55/152,520.01
6. Step 6: Final answer
   x = 116,697.46