Finding the Fourth Proportional to 45,546,131.47, 68,264,307.37 and 20,920,075.86

Step by Step Solution

1. Step 1: Write the proportion equation
   45,546,131.47 : 68,264,307.37 = 20,920,075.86 : x
2. Step 2: Convert to fraction form
   45,546,131.47/68,264,307.37 = 20,920,075.86/x
3. Step 3: Cross multiply
   45,546,131.47x = 68,264,307.37 × 20,920,075.86
4. Step 4: Simplify right side
   45,546,131.47x = 1,428,094,488,710,757.25
5. Step 5: Solve for x
   x = 1,428,094,488,710,757.25/45,546,131.47
6. Step 6: Final answer
   x = 31,354,902.00