Finding the Fourth Proportional to 112,374.53, 155,081.55 and 64,627.91

Step by Step Solution

1. Step 1: Write the proportion equation
   112,374.53 : 155,081.55 = 64,627.91 : x
2. Step 2: Convert to fraction form
   112,374.53/155,081.55 = 64,627.91/x
3. Step 3: Cross multiply
   112,374.53x = 155,081.55 × 64,627.91
4. Step 4: Simplify right side
   112,374.53x = 10,022,595,357.51
5. Step 5: Solve for x
   x = 10,022,595,357.51/112,374.53
6. Step 6: Final answer
   x = 89,189.21