Finding the Fourth Proportional to 60,555,192.57, 90,831,933.50 and 28,188,992.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,555,192.57 : 90,831,933.50 = 28,188,992.25 : x
2. Step 2: Convert to fraction form
   60,555,192.57/90,831,933.50 = 28,188,992.25/x
3. Step 3: Cross multiply
   60,555,192.57x = 90,831,933.50 × 28,188,992.25
4. Step 4: Simplify right side
   60,555,192.57x = 2,560,460,669,343,070.50
5. Step 5: Solve for x
   x = 2,560,460,669,343,070.50/60,555,192.57
6. Step 6: Final answer
   x = 42,283,090.20