Finding the Fourth Proportional to 2,185,667.55, 3,276,516.60 and 764,948.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,667.55 : 3,276,516.60 = 764,948.61 : x
2. Step 2: Convert to fraction form
   2,185,667.55/3,276,516.60 = 764,948.61/x
3. Step 3: Cross multiply
   2,185,667.55x = 3,276,516.60 × 764,948.61
4. Step 4: Simplify right side
   2,185,667.55x = 2,506,366,818,811.93
5. Step 5: Solve for x
   x = 2,506,366,818,811.93/2,185,667.55
6. Step 6: Final answer
   x = 1,146,728.29