Finding the Fourth Proportional to 158,488.95, 237,944.59 and 91,976.82

Step by Step Solution

1. Step 1: Write the proportion equation
   158,488.95 : 237,944.59 = 91,976.82 : x
2. Step 2: Convert to fraction form
   158,488.95/237,944.59 = 91,976.82/x
3. Step 3: Cross multiply
   158,488.95x = 237,944.59 × 91,976.82
4. Step 4: Simplify right side
   158,488.95x = 21,885,385,602.17
5. Step 5: Solve for x
   x = 21,885,385,602.17/158,488.95
6. Step 6: Final answer
   x = 138,087.77