Finding the Fourth Proportional to 55,779,370.10, 83,669,055.15 and 19,864,618.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,779,370.10 : 83,669,055.15 = 19,864,618.10 : x
2. Step 2: Convert to fraction form
   55,779,370.10/83,669,055.15 = 19,864,618.10/x
3. Step 3: Cross multiply
   55,779,370.10x = 83,669,055.15 × 19,864,618.10
4. Step 4: Simplify right side
   55,779,370.10x = 1,662,053,827,342,588.50
5. Step 5: Solve for x
   x = 1,662,053,827,342,588.50/55,779,370.10
6. Step 6: Final answer
   x = 29,796,927.15