Finding the Fourth Proportional to 152,406.33, 210,328.29 and 91,976.01

Step by Step Solution

1. Step 1: Write the proportion equation
   152,406.33 : 210,328.29 = 91,976.01 : x
2. Step 2: Convert to fraction form
   152,406.33/210,328.29 = 91,976.01/x
3. Step 3: Cross multiply
   152,406.33x = 210,328.29 × 91,976.01
4. Step 4: Simplify right side
   152,406.33x = 19,345,156,904.32
5. Step 5: Solve for x
   x = 19,345,156,904.32/152,406.33
6. Step 6: Final answer
   x = 126,931.45