Finding the Fourth Proportional to 152,387.82, 210,302.79 and 91,957.47

Step by Step Solution

1. Step 1: Write the proportion equation
   152,387.82 : 210,302.79 = 91,957.47 : x
2. Step 2: Convert to fraction form
   152,387.82/210,302.79 = 91,957.47/x
3. Step 3: Cross multiply
   152,387.82x = 210,302.79 × 91,957.47
4. Step 4: Simplify right side
   152,387.82x = 19,338,912,502.34
5. Step 5: Solve for x
   x = 19,338,912,502.34/152,387.82
6. Step 6: Final answer
   x = 126,905.89