Finding the Fourth Proportional to 12,648,912.18, 18,973,300.14 and 3,064,285.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648,912.18 : 18,973,300.14 = 3,064,285.86 : x
2. Step 2: Convert to fraction form
   12,648,912.18/18,973,300.14 = 3,064,285.86/x
3. Step 3: Cross multiply
   12,648,912.18x = 18,973,300.14 × 3,064,285.86
4. Step 4: Simplify right side
   12,648,912.18x = 58,139,615,336,538.02
5. Step 5: Solve for x
   x = 58,139,615,336,538.02/12,648,912.18
6. Step 6: Final answer
   x = 4,596,412.29