Finding the Fourth Proportional to 156,835.82, 216,434.32 and 92,307.47

Step by Step Solution

1. Step 1: Write the proportion equation
   156,835.82 : 216,434.32 = 92,307.47 : x
2. Step 2: Convert to fraction form
   156,835.82/216,434.32 = 92,307.47/x
3. Step 3: Cross multiply
   156,835.82x = 216,434.32 × 92,307.47
4. Step 4: Simplify right side
   156,835.82x = 19,978,504,500.37
5. Step 5: Solve for x
   x = 19,978,504,500.37/156,835.82
6. Step 6: Final answer
   x = 127,384.83