Finding the Fourth Proportional to 210,435,086.52, 290,410,541.01 and 116,347,492.49

Step by Step Solution

1. Step 1: Write the proportion equation
   210,435,086.52 : 290,410,541.01 = 116,347,492.49 : x
2. Step 2: Convert to fraction form
   210,435,086.52/290,410,541.01 = 116,347,492.49/x
3. Step 3: Cross multiply
   210,435,086.52x = 290,410,541.01 × 116,347,492.49
4. Step 4: Simplify right side
   210,435,086.52x = 33,788,538,237,725,760
5. Step 5: Solve for x
   x = 33,788,538,237,725,760/210,435,086.52
6. Step 6: Final answer
   x = 160,565,135.77