Finding the Fourth Proportional to 53,604,630.72, 80,415,914.60 and 42,089,633.46

Step by Step Solution

1. Step 1: Write the proportion equation
   53,604,630.72 : 80,415,914.60 = 42,089,633.46 : x
2. Step 2: Convert to fraction form
   53,604,630.72/80,415,914.60 = 42,089,633.46/x
3. Step 3: Cross multiply
   53,604,630.72x = 80,415,914.60 × 42,089,633.46
4. Step 4: Simplify right side
   53,604,630.72x = 3,384,676,369,969,887
5. Step 5: Solve for x
   x = 3,384,676,369,969,887/53,604,630.72
6. Step 6: Final answer
   x = 63,141,492.15