Finding the Fourth Proportional to 53,604,633.72, 80,415,919.10 and 42,089,636.46

Step by Step Solution

1. Step 1: Write the proportion equation
   53,604,633.72 : 80,415,919.10 = 42,089,636.46 : x
2. Step 2: Convert to fraction form
   53,604,633.72/80,415,919.10 = 42,089,636.46/x
3. Step 3: Cross multiply
   53,604,633.72x = 80,415,919.10 × 42,089,636.46
4. Step 4: Simplify right side
   53,604,633.72x = 3,384,676,800,515,770
5. Step 5: Solve for x
   x = 3,384,676,800,515,770/53,604,633.72
6. Step 6: Final answer
   x = 63,141,496.65