Finding the Fourth Proportional to 19,146,498.64, 28,719,526.52 and 5,499,979.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,146,498.64 : 28,719,526.52 = 5,499,979.48 : x
2. Step 2: Convert to fraction form
   19,146,498.64/28,719,526.52 = 5,499,979.48/x
3. Step 3: Cross multiply
   19,146,498.64x = 28,719,526.52 × 5,499,979.48
4. Step 4: Simplify right side
   19,146,498.64x = 157,956,806,535,315.81
5. Step 5: Solve for x
   x = 157,956,806,535,315.81/19,146,498.64
6. Step 6: Final answer
   x = 8,249,905.61