Finding the Fourth Proportional to 12,516,026.72, 18,748,796.63 and 10,488,579.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,516,026.72 : 18,748,796.63 = 10,488,579.30 : x
2. Step 2: Convert to fraction form
   12,516,026.72/18,748,796.63 = 10,488,579.30/x
3. Step 3: Cross multiply
   12,516,026.72x = 18,748,796.63 × 10,488,579.30
4. Step 4: Simplify right side
   12,516,026.72x = 196,648,240,180,884.88
5. Step 5: Solve for x
   x = 196,648,240,180,884.88/12,516,026.72
6. Step 6: Final answer
   x = 15,711,714.64