Finding the Fourth Proportional to 111,657,085.47, 153,979,842.01 and 73,920,513.47

Step by Step Solution

1. Step 1: Write the proportion equation
   111,657,085.47 : 153,979,842.01 = 73,920,513.47 : x
2. Step 2: Convert to fraction form
   111,657,085.47/153,979,842.01 = 73,920,513.47/x
3. Step 3: Cross multiply
   111,657,085.47x = 153,979,842.01 × 73,920,513.47
4. Step 4: Simplify right side
   111,657,085.47x = 11,382,268,985,408,676
5. Step 5: Solve for x
   x = 11,382,268,985,408,676/111,657,085.47
6. Step 6: Final answer
   x = 101,939,513.62