Finding the Fourth Proportional to 156,334.89, 215,741.82 and 84,714.69

Step by Step Solution

1. Step 1: Write the proportion equation
   156,334.89 : 215,741.82 = 84,714.69 : x
2. Step 2: Convert to fraction form
   156,334.89/215,741.82 = 84,714.69/x
3. Step 3: Cross multiply
   156,334.89x = 215,741.82 × 84,714.69
4. Step 4: Simplify right side
   156,334.89x = 18,276,501,401.34
5. Step 5: Solve for x
   x = 18,276,501,401.34/156,334.89
6. Step 6: Final answer
   x = 116,906.09