Finding the Fourth Proportional to 2,588,279.60, 3,881,728.20 and 791,159.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588,279.60 : 3,881,728.20 = 791,159.60 : x
2. Step 2: Convert to fraction form
   2,588,279.60/3,881,728.20 = 791,159.60/x
3. Step 3: Cross multiply
   2,588,279.60x = 3,881,728.20 × 791,159.60
4. Step 4: Simplify right side
   2,588,279.60x = 3,071,066,530,020.72
5. Step 5: Solve for x
   x = 3,071,066,530,020.72/2,588,279.60
6. Step 6: Final answer
   x = 1,186,528.12