Finding the Fourth Proportional to 13,106,538.71, 19,659,791.15 and 3,521,917.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,106,538.71 : 19,659,791.15 = 3,521,917.35 : x
2. Step 2: Convert to fraction form
   13,106,538.71/19,659,791.15 = 3,521,917.35/x
3. Step 3: Cross multiply
   13,106,538.71x = 19,659,791.15 × 3,521,917.35
4. Step 4: Simplify right side
   13,106,538.71x = 69,240,159,548,561.45
5. Step 5: Solve for x
   x = 69,240,159,548,561.45/13,106,538.71
6. Step 6: Final answer
   x = 5,282,871.48