Finding the Fourth Proportional to 12,003,587.52, 18,005,428.58 and 2,905,670.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003,587.52 : 18,005,428.58 = 2,905,670.52 : x
2. Step 2: Convert to fraction form
   12,003,587.52/18,005,428.58 = 2,905,670.52/x
3. Step 3: Cross multiply
   12,003,587.52x = 18,005,428.58 × 2,905,670.52
4. Step 4: Simplify right side
   12,003,587.52x = 52,317,843,024,871.45
5. Step 5: Solve for x
   x = 52,317,843,024,871.45/12,003,587.52
6. Step 6: Final answer
   x = 4,358,517.23