Finding the Fourth Proportional to 42,059,097.60, 58,967,767.20 and 42,059,097.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,059,097.60 : 58,967,767.20 = 42,059,097.60 : x
2. Step 2: Convert to fraction form
   42,059,097.60/58,967,767.20 = 42,059,097.60/x
3. Step 3: Cross multiply
   42,059,097.60x = 58,967,767.20 × 42,059,097.60
4. Step 4: Simplify right side
   42,059,097.60x = 2,480,131,075,918,879
5. Step 5: Solve for x
   x = 2,480,131,075,918,879/42,059,097.60
6. Step 6: Final answer
   x = 58,967,767.20