Finding the Fourth Proportional to 12,898,453.69, 19,347,042.93 and 4,810,799.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,898,453.69 : 19,347,042.93 = 4,810,799.31 : x
2. Step 2: Convert to fraction form
   12,898,453.69/19,347,042.93 = 4,810,799.31/x
3. Step 3: Cross multiply
   12,898,453.69x = 19,347,042.93 × 4,810,799.31
4. Step 4: Simplify right side
   12,898,453.69x = 93,074,740,778,184.38
5. Step 5: Solve for x
   x = 93,074,740,778,184.38/12,898,453.69
6. Step 6: Final answer
   x = 7,215,961.15