Finding the Fourth Proportional to 61,992.72, 85,405.32 and 43,097.04

Step by Step Solution

1. Step 1: Write the proportion equation
   61,992.72 : 85,405.32 = 43,097.04 : x
2. Step 2: Convert to fraction form
   61,992.72/85,405.32 = 43,097.04/x
3. Step 3: Cross multiply
   61,992.72x = 85,405.32 × 43,097.04
4. Step 4: Simplify right side
   61,992.72x = 3,680,716,492.25
5. Step 5: Solve for x
   x = 3,680,716,492.25/61,992.72
6. Step 6: Final answer
   x = 59,373.37