Finding the Fourth Proportional to 13,262,969.76, 19,894,453.52 and 3,678,348.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,262,969.76 : 19,894,453.52 = 3,678,348.18 : x
2. Step 2: Convert to fraction form
   13,262,969.76/19,894,453.52 = 3,678,348.18/x
3. Step 3: Cross multiply
   13,262,969.76x = 19,894,453.52 × 3,678,348.18
4. Step 4: Simplify right side
   13,262,969.76x = 73,178,726,897,386.59
5. Step 5: Solve for x
   x = 73,178,726,897,386.59/13,262,969.76
6. Step 6: Final answer
   x = 5,517,521.96