Finding the Fourth Proportional to 9,347,971.83, 12,900,152.13 and 5,217,764.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,347,971.83 : 12,900,152.13 = 5,217,764.01 : x
2. Step 2: Convert to fraction form
   9,347,971.83/12,900,152.13 = 5,217,764.01/x
3. Step 3: Cross multiply
   9,347,971.83x = 12,900,152.13 × 5,217,764.01
4. Step 4: Simplify right side
   9,347,971.83x = 67,309,949,507,438.84
5. Step 5: Solve for x
   x = 67,309,949,507,438.84/9,347,971.83
6. Step 6: Final answer
   x = 7,200,486.99