Finding the Fourth Proportional to 58,105,598.48, 87,045,010.56 and 45,265,983.92

Step by Step Solution

1. Step 1: Write the proportion equation
   58,105,598.48 : 87,045,010.56 = 45,265,983.92 : x
2. Step 2: Convert to fraction form
   58,105,598.48/87,045,010.56 = 45,265,983.92/x
3. Step 3: Cross multiply
   58,105,598.48x = 87,045,010.56 × 45,265,983.92
4. Step 4: Simplify right side
   58,105,598.48x = 3,940,178,048,325,190.50
5. Step 5: Solve for x
   x = 3,940,178,048,325,190.50/58,105,598.48
6. Step 6: Final answer
   x = 67,810,643.92