Finding the Fourth Proportional to 110,488.74, 152,467.28 and 65,156.34

Step by Step Solution

1. Step 1: Write the proportion equation
   110,488.74 : 152,467.28 = 65,156.34 : x
2. Step 2: Convert to fraction form
   110,488.74/152,467.28 = 65,156.34/x
3. Step 3: Cross multiply
   110,488.74x = 152,467.28 × 65,156.34
4. Step 4: Simplify right side
   110,488.74x = 9,934,209,934.56
5. Step 5: Solve for x
   x = 9,934,209,934.56/110,488.74
6. Step 6: Final answer
   x = 89,911.51