Finding the Fourth Proportional to 13,156,728.10, 19,736,445.94 and 4,966,269.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,156,728.10 : 19,736,445.94 = 4,966,269.10 : x
2. Step 2: Convert to fraction form
   13,156,728.10/19,736,445.94 = 4,966,269.10/x
3. Step 3: Cross multiply
   13,156,728.10x = 19,736,445.94 × 4,966,269.10
4. Step 4: Simplify right side
   13,156,728.10x = 98,016,501,615,642.45
5. Step 5: Solve for x
   x = 98,016,501,615,642.45/13,156,728.10
6. Step 6: Final answer
   x = 7,449,914.67