Finding the Fourth Proportional to 111,828,499.70, 154,321,858.26 and 61,591,753.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,828,499.70 : 154,321,858.26 = 61,591,753.76 : x
2. Step 2: Convert to fraction form
   111,828,499.70/154,321,858.26 = 61,591,753.76/x
3. Step 3: Cross multiply
   111,828,499.70x = 154,321,858.26 × 61,591,753.76
4. Step 4: Simplify right side
   111,828,499.70x = 9,504,953,892,963,932
5. Step 5: Solve for x
   x = 9,504,953,892,963,932/111,828,499.70
6. Step 6: Final answer
   x = 84,995,809.82