Finding the Fourth Proportional to 90,288.47, 124,618.82 and 60,075.06

Step by Step Solution

1. Step 1: Write the proportion equation
   90,288.47 : 124,618.82 = 60,075.06 : x
2. Step 2: Convert to fraction form
   90,288.47/124,618.82 = 60,075.06/x
3. Step 3: Cross multiply
   90,288.47x = 124,618.82 × 60,075.06
4. Step 4: Simplify right side
   90,288.47x = 7,486,483,088.63
5. Step 5: Solve for x
   x = 7,486,483,088.63/90,288.47
6. Step 6: Final answer
   x = 82,917.38