Finding the Fourth Proportional to 112,392.01, 155,100.72 and 62,091.01

Step by Step Solution

1. Step 1: Write the proportion equation
   112,392.01 : 155,100.72 = 62,091.01 : x
2. Step 2: Convert to fraction form
   112,392.01/155,100.72 = 62,091.01/x
3. Step 3: Cross multiply
   112,392.01x = 155,100.72 × 62,091.01
4. Step 4: Simplify right side
   112,392.01x = 9,630,360,356.53
5. Step 5: Solve for x
   x = 9,630,360,356.53/112,392.01
6. Step 6: Final answer
   x = 85,685.45