Finding the Fourth Proportional to 53,830,320.53, 80,741,563.29 and 21,034,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,830,320.53 : 80,741,563.29 = 21,034,746.50 : x
2. Step 2: Convert to fraction form
   53,830,320.53/80,741,563.29 = 21,034,746.50/x
3. Step 3: Cross multiply
   53,830,320.53x = 80,741,563.29 × 21,034,746.50
4. Step 4: Simplify right side
   53,830,320.53x = 1,698,378,315,415,148.50
5. Step 5: Solve for x
   x = 1,698,378,315,415,148.50/53,830,320.53
6. Step 6: Final answer
   x = 31,550,588.94