Finding the Fourth Proportional to 93,012,890.24, 128,356,769.94 and 51,196,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,012,890.24 : 128,356,769.94 = 51,196,061.50 : x
2. Step 2: Convert to fraction form
   93,012,890.24/128,356,769.94 = 51,196,061.50/x
3. Step 3: Cross multiply
   93,012,890.24x = 128,356,769.94 × 51,196,061.50
4. Step 4: Simplify right side
   93,012,890.24x = 6,571,361,087,789,591
5. Step 5: Solve for x
   x = 6,571,361,087,789,591/93,012,890.24
6. Step 6: Final answer
   x = 70,650,004.22