Finding the Fourth Proportional to 53,604,626.35, 80,415,908.04 and 42,089,629.09

Step by Step Solution

1. Step 1: Write the proportion equation
   53,604,626.35 : 80,415,908.04 = 42,089,629.09 : x
2. Step 2: Convert to fraction form
   53,604,626.35/80,415,908.04 = 42,089,629.09/x
3. Step 3: Cross multiply
   53,604,626.35x = 80,415,908.04 × 42,089,629.09
4. Step 4: Simplify right side
   53,604,626.35x = 3,384,675,741,937,069.50
5. Step 5: Solve for x
   x = 3,384,675,741,937,069.50/53,604,626.35
6. Step 6: Final answer
   x = 63,141,485.59