Finding the Fourth Proportional to 5,978,079.32, 8,249,931.42 and 3,400,131.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978,079.32 : 8,249,931.42 = 3,400,131.20 : x
2. Step 2: Convert to fraction form
   5,978,079.32/8,249,931.42 = 3,400,131.20/x
3. Step 3: Cross multiply
   5,978,079.32x = 8,249,931.42 × 3,400,131.20
4. Step 4: Simplify right side
   5,978,079.32x = 28,050,849,219,002.30
5. Step 5: Solve for x
   x = 28,050,849,219,002.30/5,978,079.32
6. Step 6: Final answer
   x = 4,692,284.55