Finding the Fourth Proportional to 4,664,061.19, 6,432,978.36 and 3,091,348.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,664,061.19 : 6,432,978.36 = 3,091,348.72 : x
2. Step 2: Convert to fraction form
   4,664,061.19/6,432,978.36 = 3,091,348.72/x
3. Step 3: Cross multiply
   4,664,061.19x = 6,432,978.36 × 3,091,348.72
4. Step 4: Simplify right side
   4,664,061.19x = 19,886,579,418,973.70
5. Step 5: Solve for x
   x = 19,886,579,418,973.70/4,664,061.19
6. Step 6: Final answer
   x = 4,263,790.42