Finding the Fourth Proportional to 40,153,963.16, 55,412,773.98 and 21,819,347.48

Step by Step Solution

1. Step 1: Write the proportion equation
   40,153,963.16 : 55,412,773.98 = 21,819,347.48 : x
2. Step 2: Convert to fraction form
   40,153,963.16/55,412,773.98 = 21,819,347.48/x
3. Step 3: Cross multiply
   40,153,963.16x = 55,412,773.98 × 21,819,347.48
4. Step 4: Simplify right side
   40,153,963.16x = 1,209,070,570,300,322.50
5. Step 5: Solve for x
   x = 1,209,070,570,300,322.50/40,153,963.16
6. Step 6: Final answer
   x = 30,110,865.16