Finding the Fourth Proportional to 112,610, 155,364.06 and 64,862.24

Step by Step Solution

1. Step 1: Write the proportion equation
   112,610 : 155,364.06 = 64,862.24 : x
2. Step 2: Convert to fraction form
   112,610/155,364.06 = 64,862.24/x
3. Step 3: Cross multiply
   112,610x = 155,364.06 × 64,862.24
4. Step 4: Simplify right side
   112,610x = 10,077,260,947.09
5. Step 5: Solve for x
   x = 10,077,260,947.09/112,610
6. Step 6: Final answer
   x = 89,488.15