Finding the Fourth Proportional to 238,620,460.47, 357,931,105.91 and 74,870,783.61

Step by Step Solution

1. Step 1: Write the proportion equation
   238,620,460.47 : 357,931,105.91 = 74,870,783.61 : x
2. Step 2: Convert to fraction form
   238,620,460.47/357,931,105.91 = 74,870,783.61/x
3. Step 3: Cross multiply
   238,620,460.47x = 357,931,105.91 × 74,870,783.61
4. Step 4: Simplify right side
   238,620,460.47x = 26,798,582,377,501,244
5. Step 5: Solve for x
   x = 26,798,582,377,501,244/238,620,460.47
6. Step 6: Final answer
   x = 112,306,305.69