Finding the Fourth Proportional to 7,028,978.46, 9,700,888.61 and 3,931,673.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,028,978.46 : 9,700,888.61 = 3,931,673.94 : x
2. Step 2: Convert to fraction form
   7,028,978.46/9,700,888.61 = 3,931,673.94/x
3. Step 3: Cross multiply
   7,028,978.46x = 9,700,888.61 × 3,931,673.94
4. Step 4: Simplify right side
   7,028,978.46x = 38,140,730,942,779.82
5. Step 5: Solve for x
   x = 38,140,730,942,779.82/7,028,978.46
6. Step 6: Final answer
   x = 5,426,212.52