Finding the Fourth Proportional to 3,778,490.63, 5,659,428.20 and 3,122,633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,778,490.63 : 5,659,428.20 = 3,122,633.72 : x
2. Step 2: Convert to fraction form
   3,778,490.63/5,659,428.20 = 3,122,633.72/x
3. Step 3: Cross multiply
   3,778,490.63x = 5,659,428.20 × 3,122,633.72
4. Step 4: Simplify right side
   3,778,490.63x = 17,672,321,333,238.91
5. Step 5: Solve for x
   x = 17,672,321,333,238.91/3,778,490.63
6. Step 6: Final answer
   x = 4,677,084.86