Finding the Fourth Proportional to 210,435,112.76, 290,410,577.24 and 116,347,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   210,435,112.76 : 290,410,577.24 = 116,347,518.72 : x
2. Step 2: Convert to fraction form
   210,435,112.76/290,410,577.24 = 116,347,518.72/x
3. Step 3: Cross multiply
   210,435,112.76x = 290,410,577.24 × 116,347,518.72
4. Step 4: Simplify right side
   210,435,112.76x = 33,788,550,072,207,776
5. Step 5: Solve for x
   x = 33,788,550,072,207,776/210,435,112.76
6. Step 6: Final answer
   x = 160,565,171.99