Finding the Fourth Proportional to 23,401,631.76, 32,294,066.58 and 13,088,347.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,401,631.76 : 32,294,066.58 = 13,088,347.20 : x
2. Step 2: Convert to fraction form
   23,401,631.76/32,294,066.58 = 13,088,347.20/x
3. Step 3: Cross multiply
   23,401,631.76x = 32,294,066.58 × 13,088,347.20
4. Step 4: Simplify right side
   23,401,631.76x = 422,675,955,898,956.50
5. Step 5: Solve for x
   x = 422,675,955,898,956.50/23,401,631.76
6. Step 6: Final answer
   x = 18,061,815.53