Finding the Fourth Proportional to 156,156.01, 215,495.37 and 84,536.03

Step by Step Solution

1. Step 1: Write the proportion equation
   156,156.01 : 215,495.37 = 84,536.03 : x
2. Step 2: Convert to fraction form
   156,156.01/215,495.37 = 84,536.03/x
3. Step 3: Cross multiply
   156,156.01x = 215,495.37 × 84,536.03
4. Step 4: Simplify right side
   156,156.01x = 18,217,123,063.18
5. Step 5: Solve for x
   x = 18,217,123,063.18/156,156.01
6. Step 6: Final answer
   x = 116,659.76