Finding the Fourth Proportional to 978,720,667.34, 1,350,634,445.69 and 532,687,228.74

Step by Step Solution

1. Step 1: Write the proportion equation
   978,720,667.34 : 1,350,634,445.69 = 532,687,228.74 : x
2. Step 2: Convert to fraction form
   978,720,667.34/1,350,634,445.69 = 532,687,228.74/x
3. Step 3: Cross multiply
   978,720,667.34x = 1,350,634,445.69 × 532,687,228.74
4. Step 4: Simplify right side
   978,720,667.34x = 719,465,719,912,728,704
5. Step 5: Solve for x
   x = 719,465,719,912,728,704/978,720,667.34
6. Step 6: Final answer
   x = 735,108,334.71