Finding the Fourth Proportional to 64,068.04, 88,390.47 and 40,186

Step by Step Solution

1. Step 1: Write the proportion equation
   64,068.04 : 88,390.47 = 40,186 : x
2. Step 2: Convert to fraction form
   64,068.04/88,390.47 = 40,186/x
3. Step 3: Cross multiply
   64,068.04x = 88,390.47 × 40,186
4. Step 4: Simplify right side
   64,068.04x = 3,552,059,427.42
5. Step 5: Solve for x
   x = 3,552,059,427.42/64,068.04
6. Step 6: Final answer
   x = 55,441.99