Finding the Fourth Proportional to 12,406,970.10, 18,610,461.90 and 3,887,973.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406,970.10 : 18,610,461.90 = 3,887,973.30 : x
2. Step 2: Convert to fraction form
   12,406,970.10/18,610,461.90 = 3,887,973.30/x
3. Step 3: Cross multiply
   12,406,970.10x = 18,610,461.90 × 3,887,973.30
4. Step 4: Simplify right side
   12,406,970.10x = 72,356,978,967,867.27
5. Step 5: Solve for x
   x = 72,356,978,967,867.27/12,406,970.10
6. Step 6: Final answer
   x = 5,831,962.07