Finding the Fourth Proportional to 93,590.72, 140,412.16 and 52,066.88

Step by Step Solution

1. Step 1: Write the proportion equation
   93,590.72 : 140,412.16 = 52,066.88 : x
2. Step 2: Convert to fraction form
   93,590.72/140,412.16 = 52,066.88/x
3. Step 3: Cross multiply
   93,590.72x = 140,412.16 × 52,066.88
4. Step 4: Simplify right side
   93,590.72x = 7,310,823,085.26
5. Step 5: Solve for x
   x = 7,310,823,085.26/93,590.72
6. Step 6: Final answer
   x = 78,114.83