Finding the Fourth Proportional to 12,791,059.38, 19,196,538.56 and 8,927,784.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,791,059.38 : 19,196,538.56 = 8,927,784.34 : x
2. Step 2: Convert to fraction form
   12,791,059.38/19,196,538.56 = 8,927,784.34/x
3. Step 3: Cross multiply
   12,791,059.38x = 19,196,538.56 × 8,927,784.34
4. Step 4: Simplify right side
   12,791,059.38x = 171,382,556,338,174.12
5. Step 5: Solve for x
   x = 171,382,556,338,174.12/12,791,059.38
6. Step 6: Final answer
   x = 13,398,620.96