Finding the Fourth Proportional to 139,167.63, 191,932.88 and 96,827.31

Step by Step Solution

1. Step 1: Write the proportion equation
   139,167.63 : 191,932.88 = 96,827.31 : x
2. Step 2: Convert to fraction form
   139,167.63/191,932.88 = 96,827.31/x
3. Step 3: Cross multiply
   139,167.63x = 191,932.88 × 96,827.31
4. Step 4: Simplify right side
   139,167.63x = 18,584,343,986.82
5. Step 5: Solve for x
   x = 18,584,343,986.82/139,167.63
6. Step 6: Final answer
   x = 133,539.27