Finding the Fourth Proportional to 151,601,552.49, 209,210,768.98 and 81,986,931.93

Step by Step Solution

1. Step 1: Write the proportion equation
   151,601,552.49 : 209,210,768.98 = 81,986,931.93 : x
2. Step 2: Convert to fraction form
   151,601,552.49/209,210,768.98 = 81,986,931.93/x
3. Step 3: Cross multiply
   151,601,552.49x = 209,210,768.98 × 81,986,931.93
4. Step 4: Simplify right side
   151,601,552.49x = 17,152,549,075,181,250
5. Step 5: Solve for x
   x = 17,152,549,075,181,250/151,601,552.49
6. Step 6: Final answer
   x = 113,142,304.90