Finding the Fourth Proportional to 156,811.16, 234,031.71 and 141,677.59

Step by Step Solution

1. Step 1: Write the proportion equation
   156,811.16 : 234,031.71 = 141,677.59 : x
2. Step 2: Convert to fraction form
   156,811.16/234,031.71 = 141,677.59/x
3. Step 3: Cross multiply
   156,811.16x = 234,031.71 × 141,677.59
4. Step 4: Simplify right side
   156,811.16x = 33,157,048,656.38
5. Step 5: Solve for x
   x = 33,157,048,656.38/156,811.16
6. Step 6: Final answer
   x = 211,445.72